basis of record Melvill J.C. (1910). A revision of the species of the family Pyramidellidae occurring in the Persian Gulf, Gulf of Oman and North Arabian Sea, as exemplified mostly in the collections made by Mr. F.W. Townsend (1893-1900), with descriptions of new species. Proceedings of the Malacological Society of London 9: 171-207, pl. 4-6 [stated date: September 26, 1910], available online athttp://www.biodiversitylibrary.org/page/30825003page(s): 181 [details]